Mountain Hardwear Zonal Jacket 100% Nylon The Mountain Hardwear Men's Zonal Jacket features breathable fabric that circulates air while keeping you warm and comfortable. Hands stay warm inside of zipped, thermal-lined hand warming pockets. The jacket features a flattering and snug fit that is customizable with dual draw cords on each hem. The jacket features light insulation that keeps you from getting overheated on your ventures. The jacket weighs a mere 15 ounces, making it light to wear and easy to pack away.